![]() The camera sends images to an external monitor so that the doctor can study the inside of your colon. The colonoscope also contains a tiny video camera at its tip. When the scope is moved or air is introduced, you may feel stomach cramping or the urge to have a bowel movement. The air or carbon dioxide inflates the colon, which provides a better view of the lining of the colon. The scope - which is long enough to reach the entire length of your colon - contains a light and a tube (channel) that allows the doctor to pump air, carbon dioxide or water into your colon. The doctor will insert a colonoscope into your rectum. You'll begin the exam lying on your side on the exam table, usually with your knees drawn toward your chest. In most cases, the sedative is combined with pain medication given directly into your blood stream (intravenously) to lessen any discomfort. Sedation or anesthesia is usually recommended. ![]() You may need to adjust your dosages or stop taking the medications temporarily.ĭuring a colonoscopy, you'll wear a gown, but likely nothing else. Remind your doctor of your medications at least a week before the exam - especially if you have diabetes, high blood pressure or heart problems or if you take medications or supplements that contain iron.Īlso tell your doctor if you take aspirin or other medications that thin the blood, such as warfarin (Coumadin, Jantoven) newer anticoagulants, such as dabigatran (Pradaxa) or rivaroxaban (Xarelto), used to reduce risk of blot clots or stroke or heart medications that affect platelets, such as clopidogrel (Plavix). In most instances, you will be instructed to take the laxative the night before your colonoscopy, or you may be asked to use the laxative both the night before and the morning of the procedure.Īdjust your medications. ![]() Your doctor will usually recommend taking a prescription laxative, usually in a large volume in either pill form or liquid form. You may not be able to eat or drink anything after midnight the night before the exam. Avoid red liquids, which can be mistaken for blood during the colonoscopy. Drinks may be limited to clear liquids - plain water, tea and coffee without milk or cream, broth, and carbonated beverages. Typically, you won't be able to eat solid food the day before the exam.
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